John Postle Heseltine was an etcher and collector.
He was an etcher of landscapes (for instance, Salisbury, Long Bridge). He was also an important collector. For instance, Fishing Boats and a Rowing Boat approaching a Steamer off the Isle of Wight, 1827, pen and wash, was bought for Heseltine by the print dealer Noseda (who also bought prints by JW) at the Thomas Greenwood sale at Christie's, London, 12-13 March 1875 (lot 230), for 7 guineas; it and was eventually sold at Heseltine's sale, Sotheby's, London, 25 March 1920 (lot 183), and bought by Gooden for £100 for William Lever, First Viscount Leverhulme).
Heseltine was a member of the Arts Club from 1868 to 1892.
He lived at 196 Queen's Gate from 1877-1925, and at Eaton Square from 1925 until his death. Norman Shaw designed his country house, Walhampton House, Hampshire, as well as 196 Queen's Gate.
Lugt, Frits, Les marques de collections de dessins et d'estampes: marques estampillèes et écrites de collections particulières et publiques; marques de marchands, de monteurs et d'imprimeurs; etc..., Amsterdam, 1921, no. 1507, 1508; Thieme, Ulrich, Felix Becker, and Hans Vollmer, Allgemeines Lexikon der bildenden Künstler von der Antike bis zur Gegenwart, 1960; Survey of London. The Museums area of Kensington and Westminster, London, 1975, pp. 331-333; http://www.agnewsgallery.co.uk (accessed 2004); http://www.newforesttoday.org (accessed 2004).